Finding the Fourth Proportional to 9,531.59, 13,153.61 and 5,805.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.59 : 13,153.61 = 5,805.59 : x
2. Step 2: Convert to fraction form
   9,531.59/13,153.61 = 5,805.59/x
3. Step 3: Cross multiply
   9,531.59x = 13,153.61 × 5,805.59
4. Step 4: Simplify right side
   9,531.59x = 76,364,466.68
5. Step 5: Solve for x
   x = 76,364,466.68/9,531.59
6. Step 6: Final answer
   x = 8,011.72